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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGlobal>
#include "qcommonsequencetypes_p.h"
#include "qitemtype_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
ItemType::~ItemType()
{
}
const ItemType &ItemType::operator|(const ItemType &other) const
{
const ItemType *ca = this;
if(other == *CommonSequenceTypes::None)
return *ca;
if(*ca == *CommonSequenceTypes::Empty)
return other;
else if(other == *CommonSequenceTypes::Empty)
return *ca;
do
{
const ItemType *cb = &other;
do
{
if(*ca == *cb)
return *ca;
cb = cb->xdtSuperType().data();
}
while(cb);
ca = ca->xdtSuperType().data();
}
while(ca);
Q_ASSERT_X(false, Q_FUNC_INFO, "We should never reach this line.");
return *this;
}
ItemType::Category ItemType::itemTypeCategory() const
{
return Other;
}
bool ItemType::operator==(const ItemType &other) const
{
return this == &other;
}
ItemType::InstanceOf ItemType::instanceOf() const
{
return ClassOther;
}
QT_END_NAMESPACE
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